12345722371 has 8 divisors (see below), whose sum is σ = 13267046160. Its totient is φ = 11446076928.

The previous prime is 12345722297. The next prime is 12345722407. The reversal of 12345722371 is 17322754321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12345722371 - 2²¹ = 12343625219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12345722371.

It is not an unprimeable number, because it can be changed into a prime (12345722071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418406 + ... + 5420683.

It is an arithmetic number, because the mean of its divisors is an integer number (1658380770).

Almost surely, 2^12345722371 is an apocalyptic number.

12345722371 is a deficient number, since it is larger than the sum of its proper divisors (921323789).

12345722371 is a wasteful number, since it uses less digits than its factorization.

12345722371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839173.

The product of its digits is 70560, while the sum is 37.

The spelling of 12345722371 in words is "twelve billion, three hundred forty-five million, seven hundred twenty-two thousand, three hundred seventy-one".